#define menu()
<div class="layui-side layui-bg-black">
    <div class="layui-side-scroll">

        <!-- 左侧导航区域（可配合layui已有的垂直导航） -->
        <ul class="layui-nav layui-nav-tree">

            <li class="layui-nav-item">
                <a href="javascript:void(0);">
                    <i class="layui-icon layui-icon-home"></i>
                    <cite>主页</cite>
                </a>
            </li>

            <li class="layui-nav-item layui-nav-itemed">
                <a class="" href="javascript:void(0);">所有商品</a>
                <dl class="layui-nav-child">
                    <dd><a href="javascript:void(0);">列表一</a></dd>
                    <dd><a href="javascript:void(0);">列表二</a></dd>
                    <dd><a href="javascript:void(0);">列表三</a></dd>
                    <dd class="layui-this"><a href="javascript:void(0);">超链接</a></dd>
                </dl>
            </li>

            <li class="layui-nav-item">
                <a href="javascript:void(0);">解决方案</a>
                <dl class="layui-nav-child">
                    <dd><a href="javascript:void(0);">列表一</a></dd>
                    <dd><a href="javascript:void(0);">列表二</a></dd>
                    <dd><a href="javascript:void(0);">超链接</a></dd>
                </dl>
            </li>

            <li class="layui-nav-item"><a href="javascript:void(0);">云市场</a></li>
            <li class="layui-nav-item"><a href="javascript:void(0);">发布商品</a></li>
        </ul>

    </div>
</div>
#end